Diseases that mimic vitiligo, causing light skin patches, include Tinea versicolor (fungal, scaly), Pityriasis alba (post-eczema, fine scale), Postinflammatory hypopigmentation, Chemical leukoderma, Lichen sclerosus, Morphea, Piebaldism (genetic, from birth), Idiopathic guttate hypomelanosis, Halo nevus, and rare forms of Mycosis fungoides, with key differences often being texture (scaly vs. smooth), location, or presence of other symptoms like numbness (leprosy) or skin hardening (scleroderma).
Truly depigmented spots that are NOT vitiligo
What is known is that the risk of developing vitiligo increases in kids with a family or personal history of thyroid disease, diabetes, and certain conditions like alopecia (an autoimmune disease that causes hair loss). Vitiligo is never contagious — kids can't "catch" it from someone else.
Tinea versicolor and vitiligo are two skin conditions that can look similar but have different causes and treatments. If you have light or discolored patches on your skin, your health care provider can figure out what's behind them and recommend a treatment that can help clear up your skin.
Treatments suitable during pregnancy include: Topical corticosteroids: Your doctor may prescribe you a topical cream or ointment to help stabilise your vitiligo. This is suitable during pregnancy, but you should always check with your GP. Phototherapy: This treatment is safe for pregnant women.
The spread of vitiligo stopped in 64% of the patients after treatment. Folic acid and vitamin B12 supplementation combined with sun exposure can induce repigmentation better than either the vitamins or sun exposure alone. Treatment should continue as long as the white areas continue to repigment.
It may be related to: A disorder of the immune system (autoimmune condition) Family history (heredity) A trigger event, such as stress, severe sunburn or skin trauma, such as contact with a chemical.
Tinea versicolor (TIN-ee-uh vur-si-KUL-ur) is a common skin infection caused by a fungus. The fungus causes patchy changes in skin color. The affected skin may look lighter or darker than the healthy skin. This condition usually forms on the middle of the body and the shoulders.
Pityriasis alba usually doesn't cause symptoms. In some cases, it may be itchy. It causes slightly scaly, round or oval patches on the skin. The patches may look slightly pink at first.
Sjögren's Syndrome
Sjögren's syndrome is an autoimmune condition that can affect the whole body. Its primary symptoms are dry eyes and dry mouth. In rare cases, vitiligo is one of the first signs of Sjögren's syndrome.
Diagnosis of Vitiligo
The exam may include a close evaluation of your skin. Sometimes doctors use a Wood's lamp, also known as a black light, which is an ultraviolet light that the doctor shines on your skin. If you have vitiligo, the light makes affected areas of your skin appear chalky and bright.
If a person has vitiligo, the risk that a first-degree family member (parent, child, or sibling) is 5%, or 5 times higher than the general population. That seems like a big increase, but even so, that means only about 1 in 20 first-degree relatives of vitiligo patients get vitiligo as well.
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Vitiligo is a common skin condition with characteristic milky white patches of irregular shape. However, several other skin conditions exhibit similar symptoms that can lead to a misdiagnosis of vitiligo. Broadly speaking, loss of skin pigmentation is called leukoderma.
Both conditions cause skin to look lighter, but the patches of pigment loss look different. Skin changes from pityriasis alba usually have a faded border, so you notice a more gradual transition of skin color. But changes from vitiligo have very sharp borders, and the change in skin color looks more abrupt.
Summary. Vitiligo is an autoimmune disease characterized by areas of skin depigmentation. Estimates of the point prevalence of vitiligo vary between 0.05% (insurance claims), 0.2% (population-based studies), and 1.8% (hospital-based studies).
The exact cause of pityriasis alba is unidentified. The disorder is not contagious, and no infectious etiology has been reported. Although a history of atopy may preclude this condition, it may also occur in nonatopic individuals. In many cases, it is considered a minor manifestation of atopic dermatitis.
The "3-minute rule" for eczema is a key skincare guideline: apply moisturizer to damp skin within three minutes of getting out of a bath or shower to lock in moisture, strengthen the skin barrier, and prevent dryness and itching. This practice, recommended by dermatologists, involves gently patting the skin dry, leaving it slightly damp, and immediately applying a thick cream or ointment to seal in hydration, reducing eczema flare-ups and soothing the skin.
Symptoms can be mild and only affect a small area of your body or severe and affect a large area of your skin. Some people with vitiligo experience itchy skin before depigmentation starts.
Pityriasis versicolor can sometimes be confused with vitiligo, as they both cause the skin to become discoloured in patches.
The inflammatory response to parasites is of the helper type 2. So, vitiligo and pinworm infection can be pathophysiologically linked. Furthermore, the association of intestinal helminths with pityriasis alba, another common depigmentation disorder, was recently described.
You can identify tinea versicolor by looking for small, scaly patches that may appear lighter or darker than your normal skin. These patches often develop on the chest, back, or arms and may itch in warm weather. Vitiligo, on the other hand, causes smooth, white patches that gradually spread.
It's possible that vitiligo may be triggered by particular events, such as: stressful events, such as childbirth. skin damage, such as severe sunburn or cuts (this is known as the Koebner response) hormonal changes to the body, such as puberty.
Based on our findings, patients with vitiligo have a high incidence of vitamin D deficiency, and this deficiency is more common among females than males.
A skin biopsy can definitively tell the difference between missing melanocytes, which indicates vitiligo, and melanocytes that are malfunctioning for another reason. Vitiligo is diagnosed only if these pigment-producing cells are missing.